import 'package:flutter/material.dart'; import 'package:primer_practica/src/models/carrito_model.dart'; import 'package:primer_practica/src/models/articles_model.dart'; class CarritoProvider with ChangeNotifier { List _carrito = []; List get carrito => _carrito; void agregarCarrito(ArticlesModel article) { final carritoItem = CarritoModel( articulo: article, cantidad: 1, precio: article.precios.isNotEmpty ? article.precios[0].precio : 0.0, ); _carrito.add(carritoItem); notifyListeners(); } void eliminarDelCarrito(CarritoModel item) { _carrito.remove(item); notifyListeners(); } void actualizarArticulo(CarritoModel item, int quantity) { int index = _carrito.indexOf(item); if (index != -1) { _carrito[index].cantidad = quantity; notifyListeners(); } } double get totalPrecio { double total = 0.0; for (var item in _carrito) { total += item.precio * item.cantidad; } return total; } int get totalCarrito => _carrito.length; }